Laser & Optoelectronics Progress, Volume. 57, Issue 18, 181016(2020)
Edge Thinning Algorithm Based on Gradient Mask Filter
Figures & Tables(6)
![Comparison of thinning results based on different edge features. (a)(b) EPM[14]; (c)(d) gradient images[7]; (e)(f) GMF](/Images/icon/loading.gif){kind=icon}
Fig. 3. Comparison of edge detection results of different algorithms. (a) Original images; (b) GT; (c) Canny; (d) HED; (e) HED+GMF; (f) DeepEdge+SEDT; (g) DeepEdge+GMF; (h) RCF; (i) RCF+GMF
Fig. 4. Subjective evaluation results of different algorithms. (a) DeepEdge+SEDT; (b) DeepContour+SEDT; (c) HED+SEDT; (d) RCF+SEDT; (e) DeepEdge+GMF; (f) DeepContour+GMF; (g) HED+GMF; (h) RCF+GMF
Table 1. Average statistical results of different algorithms
View tableTable 1. Average statistical results of different algorithms
Algorithm A B C C/A C/B Sobel[ 4 ]6011 2407 847 0.1409 0.3519 Roberts[ 5 ]4532 1458 1056 0.2330 0.7243 Prewitt[ 6 ]5963 2176 840 0.1409 0.3860 Canny[ 7 ]21463 3150 637 0.0297 0.2022 DeepEdge[ 11 ] +SEDT[16 ]5724 1542 666 0.1164 0.4319 DeepContour[ 12 ] +SEDT[16 ]5276 1154 378 0.0716 0.3276 HED[ 13 ] +SEDT[16 ]4389 1109 426 0.0971 0.3841 RCF[ 14 ] +SEDT[16 ]4250 876 251 0.0591 0.2865 DeepEdge[ 11 ]+GMF5819 1339 196 0.0337 0.1464 DeepContour[ 12 ]+GMF6153 1273 154 0.0250 0.1210 HED[ 13 ]+GMF3900 891 132 0.0338 0.1481 RCF[ 14 ]+GMF4934 995 114 0.0231 0.1146
Table 2. Comparison of edge detection results between RCF[14] and RCF+GMF
View tableTable 2. Comparison of edge detection results between RCF[14] and RCF+GMF
No. Algorithm A B C C/A C/B 140006 RCF[ 14 ]5895 1299 263 0.0446 0.2025 RCF[ 14 ]+GMF8873 2061 179 0.0202 0.0869 232076 RCF[ 14 ]2932 701 198 0.0675 0.2825 RCF[ 14 ]+GMF5840 1185 120 0.0205 0.1013
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Dongxu Han, Baojiang Zhong. Edge Thinning Algorithm Based on Gradient Mask Filter[J]. Laser & Optoelectronics Progress, 2020, 57(18): 181016
Paper Information
Category: Image Processing
Received: Dec. 10, 2019
Accepted: Feb. 24, 2020
Published Online: Sep. 2, 2020
The Author Email: Baojiang Zhong (bjzhong@suda.edu.cn)
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